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Report any unusual or persistent symptoms to your care team, and seek prompt medical attention for severe reactions such as difficulty breathing, chest pain, or signs of an allergic reaction
Choosing the right one can affect how well symptoms improve and how often you need injections
National Cancer Institute
Now, doctors use a mix of treatments for better results
Yes, B12 absorption can be affected by certain medications like proton pump inhibitors, metformin, and some antibiotics
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